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Table 3 The selected features with the best performance for DD

From: Machine learning-based Radiomics analysis for differentiation degree and lymphatic node metastasis of extrahepatic cholangiocarcinoma

Number

Sequence

Feature

1

ADC

S(4,0)Contrast

2

ADC

S(5,0)Contrast

3

DWI

S(4,4)DifEntrp

4

T1WI

S(4,4)Entropy

5

T2WI

S(4,4)DifEntrp

  1. Axial T1-precontrast weighted imaging, T1WI; axial T2-weighted imaging, T2WI; axial diffusion weighted imaging, DWI; Apparent diffusion coefficient, ADC